Curated OER
2009 U. S. National Chemistry Olympiad - Local Section Exam
Here is a copy of a past national challenge exam that you can use in your general chemistry course as a unit or semester review. Sixty multiple-choice questions query learners on properties of matter, stoichiometry, reactions, and...
Curated OER
Practice Final
A full-fledged practice final prepares pupils for their general chemistry final exam. If they complete these 57 multiple-choice questions correctly, they will be well-prepared. Note: even though the questions are multiple-choice, there...
Vision Learning
Visionlearning: Atomic Theory: Bohr and the Beginnings of Quantum Theory
Description of the ideas and experimentation that led to quantum theory. Focus on electrically charged ions and isotopes.
University of Southern California
Atomic Bonds
This slide show on atomic bonds contains several slides on electron affinity. Other topics include covalent, Sigma and Pi bonds, and atomic bonding in solids.
Michael Blaber, PhD
Florida State University: Molecular Geometry and Bonding Theories
This article from the Florida State University contains information on multiple bonds and orbitals. Great charts and pictures are shown to help the educational process. Definitely a great site to check out on the subject.
Other
Time Domain Cvd: Hybrid Orbitals and Complex Molecules
Good look at the orbital hybridization that goes along with the different arrangements of electron clouds. Solid information and graphics.
Other
Mark Bishop: Hybrid Orbitals
Cool visual site that shows a 3-D image of the various hybrid orbitals that are possible. Requires the CHIME plug-in to view images.
Other
Monterey Peninsula College: Molecular Orbital Theory
Very deep presentation of molecular bonding and orbital theory. Nice graphics and text make it a good presentation of some high end material.
University of Waterloo (Canada)
University of Waterloo: Valence Bond Theory and Hybrid Atomic Orbitals
Provides good objectives to go along with a text discussion of hybridization. Complete with illustrations, charts, and graphics.
Science Struck
Science Struck: Shielding Effect
Explains what the electron shielding effect is, how to calculate the amount of nuclear charge in an atom, how to use the number of orbitals to find the number of electrons in an atom, and Slater's method of calculating the shielding...
Michael Blaber, PhD
Florida State University: Basic Concepts of Covalent Bonding: Covalent Bonding
Good introduction and graphics make this a solid page for understanding the orbital role in bonding and molecular geometry. The author is a professor at Florida State University.
TED Talks
Ted: Ted Ed: Atoms From a to Easy!
Electron orbitals. Diagonal rule. Dot diagrams. The periodic table. There's so much to know about the tiniest building blocks of life- atoms. [4:41]
University of Kentucky
University of Kentucky: Hydrogen Like Orbitals
Good site for viewing atomic orbitals. Click on an energy level and you get a simulated three dimensional image of the orbitals.
Other
Monterey Peninsula College: Pi Bond
Monterey Peninsula College faculty page simply shows a 3-D image of a Pi bonding orbital. Requires the CHIME plug-in